Portable sign



FIG. 1 is a perspective view of the portable sign;

FIG. 2 is a side elevational view taken from the right side of the portable sign;

FIG. 3 is a front elevational view of the portable sign;

FIG. 4 is a side elevational view taken from the left side of the portable sign;

FIG. 5 is a rear elevational view of the portable sign;

FIG. 6 is a top plan view of the portable sign; and,

FIG. 7 is a bottom plan view of the portable sign. 

The ornamental design for the portable sign, as shown and described. 